SN6B000

Hi-Density LCD Driver with 8-bit Controller

December 20, 2000

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FEATURES

ROM space: 512K words (=2

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MC mode:128K words in SN6B000

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MP mode: along with SN6B400 to 256K words

RAM Size:

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256 bytes in SN6B000

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4*256 bytes in SN6BS00 (2*256 bytes LCD RAM, 2*256 bytes normal

RAM)

I/O Port : There are Port0 and Port1 (total 16 pins I/O)

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All ports are I/O-type and P0.7 can be modulated with a carry signal

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Each port can be set as “H”, ”L”, floating, and high-resistance “H”

(150K@5V )

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Every port can wake up chip when chip is in power-down mode

60 instructions

8 levels stack buffer supports interrupt and call subroutine

System Clock:

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2MHz RC oscillator

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2M/ 4M(3.58M) crystal

Low speed clock: Register option, 32768 crystal or RC

Three different operation modes can be selected:

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Normal mode (both High/Low osc. On).

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Slow mode

(High osc. Off, Low osc. On).

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Stop mode

(both High and Low osc. Off).

LCD: 1/16 duty (for 1024) or 1/32 duty, frame rate=64 or 128 Hz.

A voltage regulator and double voltage circuit is included in SN6BS000

8 interrupt sources :

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5 internal interrupts: T0, TC0, TC1, TW, SPEECH (non-maskable).

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3 external interrupts: INTP0.0 ~ INTP0.2

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ISR entry location: Reset: 0000, SPEECH: 0018h, and the others: 0008h

Voice:

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Built-in voice synthesizer

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Sampling rate from 4K to 40Khz

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Dual tone melody with 4 octaves

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7-bit DA converter (maximum 3mA)

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PWM output for Buzzer